To meet national and international market demands AZZURRA research laboratory, has studied a new solution to ease renovations. New Nuvola wall-hung wc can be installed without renovating the existing flush system. Floor trap can be installed on all existing flush system with 170 mm of wheelbase rangeStarting from a careful study, the size of old plumbing systems discharge is between 60 and 220 mm (wheelbase sizes) . Thanks to a careful and finickly study , without changing the aestethics of the w.c.,adjustable Nuvola, AZZURRA solves a planning problem satisfying the client with ample water saving.